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Efeito de compostos naturais no envelhecimento e em modelos de doença de Alzheimer no nematódeo Caernorhabditis elegans
(Universidade Federal de Santa Maria, 2018-09-05)
During ageing, the cell repair system, including adaptative response to oxidative stress and unfolded protein degradation. In last decades, the increasing life expectancy, added to genetic and ambiental factors, has ...
Síntese de novos selenofenos indólicos via adição eletrofílica de SeCl2
(Universidade Federal de Santa Maria, 2019-02-01)
This work initially describes a novel and efficient protocol for the synthesis of 3-selenophen-3-yl-1H-indole derivatives via the electrophilic addition of SeCl2 to the conveniently substituted propargyl-indoles. The ...
Formação estelar e emissão de poeira em núcleos ativos de galáxias
(Universidade Federal de Santa Maria, 2018-12-20)
The energy coming from Active Nuclei of Galaxies (AGN) is attributed to the process of
accretion of matter to a central Supermassive Black Hole (SMBH). The gases that flow towards
the center of the galaxies (inflows of ...
Isolamento, determinação estrutural e atividades biológicas de metabólitos dos fungos Phellinotus piptadeniae E Pisolithus tinctorius
(Universidade Federal de Santa Maria, 2019-01-29)
Basidiomycete fungi are important living organisms that present several bioactive compounds, which have antimicrobial, antitumor, antioxidant, and anti-inflammatory potential. Several compounds and potentialities of this ...
Gradiente vertical de decomposição e dinâmica da água no mulch de cana-de-açúcar afetados pela quantidade de palha
(Universidade Federal de Santa Maria, 2018-07-30)
The partial removal of sugarcane straw (Saccharum spp. L.) from the soil surface after mechanized harvesting for the production of cellulosic ethanol leaves different mulch thicknesses at the soil surface. Thus, the need ...
Contribuições ao controle do motor síncrono de ímã permanente com FCEM não senoidal
(Universidade Federal de Santa Maria, 2015-08-20)
This thesis presents contributions to the sensorless vector control of Permanent
Magnet Synchronous Motors (PMSM) with nonsinusoidal back Electromotive Force (back-
EMF), whose magnets are allocated on the rotor surface. ...
Participação política na timeline: o Facebook como arena pública para sugestões legislativas apresentadas no e-cidadania
(Universidade Federal de Santa Maria, 2018-09-24)
The research has the theme of internet and political participation from the context: online social networks as an informal arena for discussions of SUGs (Legislative Suggestions) presented in e-Citizenship, portal of the ...
Uso de modelos numéricos regionais para simular a brisa marítima na Antártica
(Universidade Federal de Santa Maria, 2016-12-22)
In the present study, three different problems associated with the numerical simulation of
small-scale meteorological processes are investigated. In the first problem regards the
frequency, location and characteristics ...
Sistema nacional de avaliação da educação superior: produção de sentidos de qualidade na gestão de licenciaturas da UFSM
(Universidade Federal de Santa Maria, 2018-12-13)
The present thesis is based on the analysis of educational policies, particularly in the policy of evaluation of higher education that has been developed since 2004 in Brazil by the National System of Evaluation of Higher ...
Transformação estrutural no estado sólido de polímeros de coordenação de duas e três dimensões contendo o ligante flexível 4-α,α’-xilenodiilabis(fenilfosfinato)
(Universidade Federal de Santa Maria, 2018-02-27)
Cobalt, nickel, copper and zinc acetate salts were reacted with the 1,4-α, α'-
xylenediylabis(phenylphosphinate) (XBPP) ligand and two-dimensional CoII and ZnII
coordination polymers were reacted with temperature control: ...